Home / 39,630.55-59,408.61-13,316.89

Finding the Fourth Proportional to 39,630.55, 59,408.61 and 13,316.89

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Solution

The fourth proportional to 39,630.55, 59,408.61 and 13,316.89 is: 19,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,630.55 : 59,408.61 = 13,316.89 : x
  2. Step 2: Convert to fraction form
    39,630.55/59,408.61 = 13,316.89/x
  3. Step 3: Cross multiply
    39,630.55x = 59,408.61 × 13,316.89
  4. Step 4: Simplify right side
    39,630.55x = 791,137,924.42
  5. Step 5: Solve for x
    x = 791,137,924.42/39,630.55
  6. Step 6: Final answer
    x = 19,962.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.